Ambient Noise & Background Noise Generator
Press play. It keeps going until you stop it.
Deep Sleep
Brown noise under light rain. Steady, with nothing sudden.
Free · No ads · No account needed
For sleep
Steady mixes. Nothing sudden, no thunder, no fire.
For focus
Noise colors
Browse All SoundsEach cover shows where the sound’s energy sits: low and heavy for brown, even for white, high for violet.
Step into a scene
Tap the window for rain, the fireplace for fire. Every object is a sound.
Rainy City Apartment
Snowed-In Cabin
Lighthouse in a Storm- 60-second quizWhich noise color are you?A blind listening test: brown, pink, white, green, rain, or fan.Take the quiz →
Popular Sound Generators
- Background Noise GeneratorMix steady masking sounds for sleep, study, work, and privacy.
- Ambient Sound GeneratorBuild a custom soundscape from rain, forest, ocean, cafe, and fire layers.
- White Noise OnlinePlay a free white noise machine in your browser; the full mixer adds layers.
- Green Noise for SleepUse a smoother rain-like noise color for sleep; the full mixer adds layers.
- Brown Noise for SleepStart a deeper low-frequency sleep mix with rain and fan; the full mixer adds layers.
- Box Fan NoiseRecreate a deeper fan hum for sleep without cold air or a physical fan.
- Pink Noise for SleepUse a balanced rain-like sleep sound with gentle overnight settings.
- Cafe Noise GeneratorUse coffee shop ambience for focus, study, writing, and remote work.
What is Ambient Noise and Background Noise?
Ambient noise refers to background sounds that create a consistent audio environment. Unlike music or speech, ambient sounds don't demand your attention - they work in the background to make some distracting noises less noticeable and provide a customizable backdrop for personal sleep, focus, or wind-down routines.
Ways People Use Ambient Sounds
- Sound Masking: Consistent background sound can make intermittent household or street noise less noticeable.
- A Steadier Workspace: Some people use background sound to make office noise, traffic, or conversations less distracting.
- Tinnitus Masking: External sound may make tinnitus less noticeable for some people, but it does not make tinnitus go away.
- Personal Routines: Nature sound or steady noise can be part of a wind-down or focus routine when it feels comfortable.
- Listening Levels: Keep playback at the lowest comfortable level. For babies and children, follow pediatric guidance and keep sound machines away from the sleeping space.
Types of Noise Colors
Brown Noise
Deep, rumbling sound like a strong wind or waterfall. Its bass-heavy texture is softer in the high frequencies than white noise.
White Noise Online
Play a free online white noise generator; the full mixer adds per-sound volume and layers.
Pink Noise
Balanced noise similar to rainfall or rustling leaves. Some listeners prefer its softer high frequencies for a steady background.
Green Noise
Mid-focused noise that sits close to steady rainfall. A smoother alternative if white noise sounds too hissy and brown noise too heavy.
How to Use This Sound Generator
- Choose a preset, or open the full mixer and select individual sounds
- Adjust the volume of each sound to create your preferred mix
- Use the master volume to control overall loudness
- Set a sleep timer if you want the sounds to stop automatically
- On a computer, press Space to play or pause, M to mute, and ? to see every shortcut
Structured Focus Routines
Use the Focus timer in the mixer for Pomodoro-style work blocks with short breaks; your mix keeps playing through the breaks. Learn more on the focus sounds guide.
Practical Sound Guides
- How to Add Ambient Sound to NotionEmbed a free, interactive ambient scene — rain, a fireplace, a café, or a night train — in any Notion page or study dashboard. No account or plugin needed.
- Brown Noise vs. White Noise for SleepA sleep-focused comparison of brown noise and white noise: how each sounds at 3 a.m., what each masks best, and how to pick one you will keep on.
- Best Sounds for ADHD Focus: What HelpsA practical guide to ambient sound for ADHD focus: why silence can backfire, which sounds hold attention steady, and how to build a setup you will use.
- Pink Noise and Deep Sleep: The ScienceWhat the research linking pink noise to deep sleep and memory found, what consumer playback can replicate, and what is worth trying.
- What Is Green Noise? Sleep Sound ExplainedGreen noise explained: what it is, how it differs from white and brown noise, why it became a sleep trend, and how to try it tonight.
- Pink Noise vs White Noise for SleepA practical comparison of pink noise and white noise for sleep: how each sounds, what each masks well, and how to pick between them.
- Is White Noise Safe for Babies?A careful look at white noise near a sleeping baby: volume limits, speaker placement, how long to play it, and when to ask your pediatrician.
- How Loud Should White Noise Be?Decibel targets for white noise during sleep and work, how to use your phone as a rough sound meter, and a calibration trick that works without any equipment.
- The Best Pomodoro Sound Setup for FocusHow to pair ambient sound with the Pomodoro technique: phase-based mixes for focus and breaks, built-in focus routines, and example setups to copy.
- Sounds for Tinnitus at Night: A GuideHow to use ambient sound to make tinnitus less noticeable at night: partial masking, matching sound to your tinnitus pitch, and building a comfortable mix.
- Ambient Music for Working: Music vs NoiseAmbient music can help you work — until it pulls attention. When it works, when it backfires, and how to build a music-like soundscape without melodies.
- How to Layer Ambient Sounds: Quick GuideA practical guide to layering ambient sounds: pick an anchor, add one texture, balance bottom-up, and place sounds with pan and tone.
- White Noise Machine vs. Online GeneratorDedicated white noise machines cost $20-$100. A free online generator does most of the same job. An honest comparison for sleep, focus, and travel.
- Brown Noise vs White Noise: Which to Use?Compare brown noise and white noise for sleep, focus, sound masking, and everyday routines without overstating the science.
- Best Sounds for Focus and Study SessionsBuild a practical focus sound setup with brown noise, cafe ambience, rain, library sounds, and Pomodoro routines.
- How to Build a Simple Sleep Sound RoutineCreate a calm sleep sound routine with comfortable volume, stable sounds, saved mixes, and a fade-out timer.
Explore Our Sounds
Browse our collection of free ambient noise generators with mixing suggestions and notes on listening levels.
- Brown Noise Generator
- White Noise Generator
- Free Background Noise Generator for Sleep & Focus
- Ambient Sound & Noise Generator
- Cafe Noise Generator
- Pink Noise Generator
- Brown Noise for Sleep
- Pink Noise for Sleep
- Rain Sounds Generator
- Ocean Sounds Generator
- Fan Noise for Sleep
- Sleep Sounds Generator
- Nature Sounds Generator
- Thunder Sounds Generator
- Air Conditioner Noise Generator
- Focus Sounds Generator
- Waterfall Sounds Generator
- Airplane Cabin Noise Generator
- Fireplace Sounds Generator
- Wind Sounds
- Green Noise Generator
- Green Noise for Sleep
- Noise for Studying
- Box Fan Noise
- Sounds for ADHD Focus
- White Noise for Babies
- Tinnitus Masking Sounds
- Calming Sounds for Anxiety
- Office Noise Blocker
- Meditation Background Sounds
- Background Noise for Reading
- Rain and Thunder Sounds
- Brown Noise and Rain Mix
- Fan and White Noise Mix
- Ocean Waves and Rain Sounds
- Campfire and Crickets Sounds
- Train Sounds for Sleep
- Coffee Shop Sounds
- Rain on Window Sounds
Frequently Asked Questions
Is brown noise better than white noise for sleep?
Brown noise sounds deeper and less hissy than white noise, which some listeners prefer at bedtime. There is no universally better noise color or guaranteed sleep result, so try each at the lowest comfortable level and use the one that feels less intrusive.
Can I use this for my baby?
Some families use steady sound to mask household noise around naps or bedtime, but there is no universal decibel target for every device, room, and distance. Follow current pediatric guidance: keep the speaker well away from the baby, use the lowest practical volume, and limit duration rather than assuming continuous playback is harmless. Ask your pediatrician about individual needs.
What should I know about sleeping with background noise?
A browser volume slider cannot show how loud the sound is at your ears. Listening risk depends on sound level, duration, device, speaker distance, and the listener. Use the lowest comfortable level, consider a timer or listening breaks, and avoid prolonged headphone use. Ask a hearing or healthcare professional about individual concerns.
Can I use this as an online background noise generator?
Yes. Start the mixer, choose a preset, or combine steady background noises like white noise, brown noise, rain, fan hum, cafe ambience, and nature sounds. It runs in your browser with no signup or download.
Does this work offline?
Yes. Use Download for offline listening on your current or saved mix, then check for Available offline before disconnecting. Downloads stay on this device; clearing browser data removes them, and your browser may reclaim storage. Removing a download never deletes the saved mix.